request permissions before saving images

Signed-off-by: Michele Balistreri <michele@bitgamma.com>

ios/StatusIm/Info.plist

@@ -78,6 +78,8 @@
 	<string>Location access is required for some DApps to function properly.</string>
 	<key>NSPhotoLibraryUsageDescription</key>
 	<string>Photos access is required to give you the ability to send images.</string>
+	<key>NSPhotoLibraryAddUsageDescription</key>
+	<string>Photos access is required to give you the ability to save images.</string>
 	<key>NSMicrophoneUsageDescription</key>
 	<string>Need microphone access for sending audio messages.</string>
 	<key>UIAppFonts</key>

ios/StatusImPR/Info.plist

@@ -83,6 +83,8 @@
 	<string>Location access is required for some DApps to function properly.</string>
 	<key>NSPhotoLibraryUsageDescription</key>
 	<string>Photos access is required to give you the ability to send images.</string>
+	<key>NSPhotoLibraryAddUsageDescription</key>
+	<string>Photos access is required to give you the ability to save images.</string>
 	<key>NSMicrophoneUsageDescription</key>
 	<string>Need microphone access for sending audio messages.</string>
 	<key>UIAppFonts</key>

src/status_im/chat/models/images.cljs

@@ -9,6 +9,8 @@
             [status-im.utils.image-processing :as image-processing]
             [taoensso.timbre :as log]
             [clojure.string :as string]
+            [status-im.i18n.i18n :as i18n]
+            [status-im.utils.utils :as utils]
             [status-im.utils.platform :as platform]
             [status-im.chat.models :as chat]))
 
@@ -35,11 +37,7 @@
     (.-localIdentifier result)
     (.-path result)))
 
-(re-frame/reg-fx
- ::save-image-to-gallery
- (fn [base64-uri]
-   (if platform/ios?
-     (.saveToCameraRoll CameraRoll base64-uri)
+(defn android-save-image-to-gallery [base64-uri]
   (react/image-get-size
    base64-uri
    (fn [width height]
@@ -52,7 +50,23 @@
         (let [path (.-path resized-image)
               path (if (string/starts-with? path "file") path (str "file://" path))]
           (.saveToCameraRoll CameraRoll path)))
-         #(log/error "could not resize image" %)))))))
+      #(log/error "could not resize image" %)))))
+
+(re-frame/reg-fx
+ ::save-image-to-gallery
+ (fn [base64-uri]
+   (if platform/ios?
+     (-> (.saveToCameraRoll CameraRoll base64-uri)
+         (.catch #(utils/show-popup (i18n/label :t/error)
+                                    (i18n/label :t/external-storage-denied))))
+     (permissions/request-permissions
+      {:permissions [:write-external-storage]
+       :on-allowed  #(android-save-image-to-gallery base64-uri)
+       :on-denied   (fn []
+                      (utils/set-timeout
+                       #(utils/show-popup (i18n/label :t/error)
+                                          (i18n/label :t/external-storage-denied))
+                       50))}))))
 
 (re-frame/reg-fx
  ::chat-open-image-picker-camera